chlorophyll-is the pigment found inside a thylakoid
The purpose is to inform.
It is not even clear what the author would be selling. Also, they're not trying to entertain or persuade; there is no indication of this; so the best answer is "to inform".
Answer:
“I'm not saying that either Socs or greasers are better; that's just the way things are.”
Explanation:
Answer : D
Reason : Adjusting is changing and this is what is what animals do to get used to an unfamiliar environment.